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Kyu Seo Kim, MD, is a board-certified pediatrician and pediatric critical care physician with additional expertise in clinical informatics. He is dedicated to delivering precise, data-informed, and compassionate care to critically ill infants, children, and adolescents at South Counties Pediatric Critical Care Medical Group, with offices in Fountain Valley, West Covina, and Long Beach, California.

Dr. Kim earned his undergraduate degree in Chemistry from Duke University and completed his medical education at Emory University School of Medicine. He went on to complete both his pediatric residency and pediatric critical care fellowship at Rady Children’s Hospital, University of California San Diego, where he gained comprehensive experience in managing complex and life-threatening pediatric conditions.

In addition to his clinical training, Dr. Kim completed a fellowship in Clinical Informatics at Oregon Health & Science University. His background in informatics enhances his ability to integrate advanced technologies and evidence-based data into patient care, improving outcomes and optimizing communication across healthcare teams.
Dr. Kim is known for his calm, methodical approach and his commitment to patient safety and quality improvement. He collaborates closely with families, hospital staff, and referring physicians to ensure every child receives individualized, coordinated care.

At South Counties Pediatric Critical Care Medical Group, Dr. Kim applies his dual expertise in critical care and informatics to provide advanced, responsive care for hospitalized children and their families.

Anuradha Setlur, MD, FAAP, is a board-certified pediatrician and pediatric critical care physician dedicated to delivering expert, family-centered care to children experiencing serious or life-threatening medical conditions. She brings a compassionate, thoughtful approach to every patient she treats at South Counties Pediatric Critical Care Medical Group, with offices in Fountain Valley, West Covina, and Long Beach, California.

Dr. Setlur earned her medical degree from St. George’s University and completed her pediatric residency at New York Medical College. She then completed a fellowship in pediatric critical care at Nemours Children’s Hospital, Thomas Jefferson University in Wilmington, Delaware, gaining specialized experience in managing complex pediatric illnesses and intensive care treatment.

As a Fellow of the American Academy of Pediatrics (FAAP), Dr. Setlur remains committed to ongoing education and best practices in pediatric medicine. Her clinical expertise spans the full spectrum of pediatric critical care, and she works closely with multidisciplinary teams to deliver coordinated care tailored to each child’s unique needs.

Dr. Setlur is known for her calm presence, medical insight, and dedication to both patients and their families. She is proud to serve children throughout Los Angeles and Orange counties as part of the expert team at South Counties Pediatric Critical Care Medical Group.

Zacharia Reda, MD, FAAP, FCCP, is a board-certified pediatrician with additional certifications in pediatric critical care medicine and hospitalist medicine. He provides expert care to patients at South Counties Pediatric Critical Care Medical Group, with offices in Fountain Valley, West Covina, and Long Beach, California.

With over 35 years of experience serving families throughout Los Angeles and Orange counties, Dr. Reda is known for his deep commitment to high-quality, compassionate care for critically ill children.

Dr. Reda completed his pediatric residency at LAC/USC Medical Center and a prestigious pediatric critical care fellowship at UCLA. He has held leadership roles at several prominent hospitals, including serving as Director of the Pediatric Intensive Care Unit (PICU) at UCI—Fountain Valley Hospital and Associate Director of the PICUs at Miller Children’s Hospital, St. Vincent Medical Center, and Valley Presbyterian Hospital.

Respected by his peers, Dr. Reda has been consistently recognized as one of the best pediatric critical care doctors in Orange County, California, and across the nation. He has been named among the “Best Doctors in America” for Pediatric Critical Care for 16 consecutive years.

Dr. Reda has a special clinical interest in ventilator management, pediatric pulmonary medicine, and asthma care. He is passionate about advancing the field through education and has trained medical students, residents, and fellows as an Associate Clinical Professor at UCI and through teaching roles at UCLA.

He is a Fellow of the American Academy of Pediatrics (FAAP), the American College of Chest Physicians (FCCP), and a member of the European Society of Intensive Care Medicine.

Dr. Reda brings unmatched experience and dedication to every patient he serves at South Counties Pediatric Critical Care Medical Group.

Dr. Kathy Zelken is returning as an aesthetic medicine provider after a hiatus since the birth of her daughters. She has served as the medical advisor of the Zelken Institute for Aesthetic Medicine since it was established in 2016. She has worked tirelessly in the background to ensure the highest level of excellence and quality in all aspects of patient care. She has had a keen eye for artistry since childhood, starting from being a classically trained artist. She graduated summa cum laude from the University of California Berkeley with a major in Molecular and Cell Biology and a minor in Art History. During medical school at the University of Texas Southwestern, she published papers with world-renowned plastic surgeon and former editor-in-chief of Plastic and Reconstructive Surgery journal (the top journal in the field), Dr. Rod Rohrich. Her meticulous nature, extraordinary calmness, and friendly demeanor gained from close to a decade of working as a board-certified pediatrician in Orange County and doing some of the most delicate procedures on tiny babies will put the most anxious patients at ease. She is thrilled to help patients map out a comprehensive treatment plan to achieve their individual aesthetic goals and explain various nonsurgical procedures in detail. Her patients love her and seek her out for neuromodulator and facial contouring injections, skin rejuvenation, laser treatments, and so much more.

Megan Reynolds, CPNP-PC, is a caring and knowledgeable pediatric nurse practitioner who’s a highly valued member of the Valencia Pediatrics family, treating patients at the practice’s office in Victorville, California, also serving patients in the High Desert area of Hesperia and Apple Valley.  Megan joined our team of primary care providers in February of 2014.

Megan graduated cum laude from California State University, Long Beach with a Bachelor of Science in nursing and a minor in anthropology. She stayed on at CSULB to earn her Master of Science in nursing, where she also served as the class representative of the California Nursing Student Association. Additionally, she was a member of the General Pediatrics Partnership Council at Miller Children’s & Women’s Hospital Long Beach during her education.

After finishing her training and before joining the family at Valencia Pediatrics, Megan worked as a registered nurse in the general pediatrics unit at Miller Children’s Hospital & Women’s Hospital, where she gained invaluable experience treating a wide range of pediatric patients.

Rainilda Valencia, MD, FAAP, is a board-certified pediatrician with almost 40 years of experience treating children in the United States, Saudi Arabia, and the Philippines. She specializes in asthma and allergies and provides a wide range of medical services for her patients at Valencia Pediatrics in the High Desert area of Hesperia, Apple Valley, and Victorville, California. Dr. Valencia is fluent in English, Spanish, Arabic, and Tagalog.

Dr. Valencia earned her bachelor’s and medical degrees from the University of Santo Tomas in Manila, Philippines, and completed an internship and residency at the Medical City Hospital in Manila, where she was named Most Outstanding Intern and served as Chief Resident of the pediatrics department. After relocating to the US, she completed a second internship at St. Joseph’s Hospital and Medical Center in Phoenix and a second residency at Loma Linda University Children’s Hospital in Loma Linda, California, where she was honored with the Pediatric Emergency Medicine Award.

Dr. Valencia’s natural aptitude for medicine and dedication to her work has led her to always perform at the top of her field. She’s been recognized for her work with a number of awards, such as The Crossroads Rotary Club & The Unforgettables Foundation award for Best Pediatrician, the Inland Empire Health Plan’s Special Physician Recognition, the Knights of Columbus award for Physician of the Year, and the Filipino American Association of the High Desert’s Outstanding Citizen Achievement Award. She’s also a fellow of the American Academy of Pediatrics, has been named a Victor Valley Health Care Leader by the California State Legislature, was voted as the Best Physician-Specialist of the Desert by readers of the Victorville Daily Press, and was honored with a Special Physician Recognition by Sanofi Pasteur for dedication to preventing infectious diseases and protecting human life through immunization.

In her professional career, Dr. Valencia has held a number of leadership positions at Victor Valley Global Medical Center in Victorville, such as Chairman and Vice Chairman of the Department of Pediatrics and Vice Chairman of the Maternity and Child Health Department. She was also a member of the Physician Advisory Committee at St. Mary Medical Center in Apple Valley, California.

Outside of her practice, Dr. Valencia volunteers her time to local events such as kids fairs and career days for various elementary schools. She’s also involved in medical missions that help third world countries in Asia. She lives in the High Desert with her husband and children and loves to cook, travel, and spend time with her family.

From 2012 to the present, Maria has worked one-on-one with children and adults who have been diagnosed with autism spectrum disorders in clinical, home, and school settings. Maria has training in crisis prevention intervention and experience in Applied Behavior Analysis (ABA), application of behavioral principles and teaching procedures (e.g., Reinforcement, Extinction, DTT, NET, PRT, etc.). She is a certified trainer and is proficient in the implementation and programming across evidence-based curriculums (e.g., PECS, PEAK, VB-MAPP, ACT, AIM, Essentials for Living, The AFLS, ABLLS-R, Vineland, The PEERS, etc.), parent education and social skills training. Maria has had additional experience and exposure to working with children with ADHD, oppositional defiant disorder, learning disabilities, cerebral palsy, down syndrome, OCD, depression, and social anxiety disorders.